TodoActions.js

var Reflux = require('reflux'),
    _ = require('underscore'),
    api = require('./api');

var TodoActions = Reflux.createActions(['create', 'created', 'errored']);

TodoActions.create.preEmit = function(data) {
 data = _.extend({_iid: _.uniqueId('todo_')}, data);
 api.createTodo(data)
 // API palauttaa saman objektin _iid kanssa
 // turhaan sitä täällä tekee
 .then(TodoActions.created) 
 .catch(TodoActions.errored)
 return data;
}

module.exports = TodoActions;

TodoStore.js

var Reflux = require('reflux'),
    _ = require('underscore'), // ei ehkä ole underscoressa deep clonea
    TodoActions = require('./TodoActions');

module.exports = Reflux.createStore({
 listenables: TodoActions,
 state: {
   todos: [],
 },
 findTodo(data) {
  return _.find(this.state.todos, one => { return one.id ? one.id === data.id : one._iid === data._iid; });
 },
 onCreate(todo) {
  this.saveState('todos');
  this.state.todos.push(_.extend(todo));
  this.trigger(this.state.todos);
 },
 // älä välitä mikä se oli, oletuksena niitä ei lisätä rinnakkain
 onErrored() {
  this.rollback('todos');
  this.trigger(this.state.todos);
 },
 onCreated(todoData, id) {
  var todo = todoData.data;
  var existing = this.findTodo(todo);
  if (!existing) return;
  this.state.todos[this.state.todos.indexOf(existing)] = todo;
  this.trigger(this.state.todos);
 },
 saveState(data) {
  // tarvitsee lodashin 
  this.restore = _.clone(this.state, true);
 },
 rollback(data, key) {
  if (key != undefined) {
    this.state[key] = this.restore[key];
  } else {
    this.state = this.restore;
  }
 }
});